This factory-programmable MEMS oscillator is configured for a 3 Hz LVCMOS output and operates from a 1.8 V supply with ±10% tolerance. It is specified for ±50 ppm all-inclusive frequency stability and uses only 1.7 µA typical no-load current at 1 Hz, with typical start-up time of 500 ms plus 2.5 cycles for frequencies from 1 Hz to 10 Hz. The device is housed in a 1.5 mm × 0.8 mm chip-scale package with 0.6 mm maximum height and does not require external bypass capacitors in normal operation. Commercial-temperature operation is specified from -20 °C to 70 °C, and the family datasheet also lists an industrial option to 85 °C.
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Sitime SiT1569AC-J3-18E-0000.003000 technical specifications.
| Configured Output Frequency | 3Hz |
| Programmable Frequency Range | 1 to 462.5Hz to kHz |
| Frequency Stability | ±50ppm |
| Supply Voltage | 1.8 ±10%V |
| Operating Supply Voltage Range | 1.62 to 3.63V |
| No-Load Supply Current at 1 Hz | 1.7 typ, 3 maxµA |
| Start-up Time at 1 Hz to 10 Hz | 500 + 2.5ms + cycles |
| Output Type | LVCMOS |
| Duty Cycle | 45 to 55% |
| Rise/Fall Time | 10 typ, 40 max, 70 limitns |
| Package Dimensions | 1.5 x 0.8mm |
| Maximum Package Height | 0.6mm |
| Operating Temperature Range | -20 to 70°C |
| RMS Period Jitter | 4 typ, 8.5 maxnsRMS |
| ESD Human Body Model | 2000V |
| Storage Temperature | -65 to 150°C |
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